under the title “Unleash Your Inner Mad Scientist with a Jacob’s Ladder.” More deals, reviews, and buying guides Breakthroughs, discoveries, and DIY tips sent every weekday.

The Jacob’s Ladder is one such piece of arc-generating ... It’s a fun build that would make an excellent desk toy, albeit best shown under glass to avoid accidental electric shocks.

A dangerous experiment: DIY instructions for Jacob's Ladder are readily available online. In a YouTube video with over 60,000 views on how to make a Jacob's Ladder, the uploader includes a ...